When a friend or colleague does something to prevent rock and roll from happening.
i.e. changing the radio station from rock to rap, or the turning off of someone's amp during band practice.
"Dude, don't be a rockblock... Metallica is on."
by Skittles135 November 11, 2008
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when someone walks in front of the tv while playing guitarhero/rockband.
"I was shredding super hard on expert to Journey but failed cause Jerry started rockblocking me
by cainraw June 4, 2009
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a cockblock performed by placing a ring on that bitch's finger and marrying her
Like when Fred had been talking to the cute waitress at Texas Road House for weeks before he saw her hand and realized he'd been rockblocked
by deathsled November 17, 2006
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Preventing someone from getting a free high. Similar to cockblocking but with drugs not sex.
Hey don't be rockblocking!

Damn rockblocking mf's!
Wtf ?Why she always rockblocking me?
by Tricki-SchemeTeam2015-Captain February 19, 2018
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When a spouse, family member, or friend determinedly changes your travel plans so that rock climbing no longer included in the itinerary. (rock climbing slang)
When we made our Cuba travel plans, my wife decided to rockblock me, and we spent way too many days in Varadero, making it impossible to go climbing. She's a total rockblocker! When we plan our trip to Peru next fall, I won't get rockblocked.
by nicojah April 9, 2018
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A term used in climbing for when someone jumps in front of you in an attempt to finish a climb before you or stop you from getting on a climb. Can be intentional or accidental.
"Dude, I've been waiting to get on this climb for 10 minutes, don't be a rockblocker."
by Steve_Urkel March 29, 2019
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The act of outperforming a musician or band unexpectedly when the musician or band was expected to be the better act.

The act of using a high level of talent unexpectedly and by contrast of talent level, disrespect a more amateur performer.
When an opening band performs at an amazing level, the headliner can get rockblocked.

Michael was playing a couple of tunes at a party when U2 showed up and played an impromptu gig. U2 are a bunch of rockblockers.
by mikedubb November 18, 2010
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